/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.intellij.util.containers;

import org.jetbrains.annotations.NotNull;

import java.util.Map;

/**
 * @author peter
 */
public class ConcurrentInstanceMap {
  private ConcurrentInstanceMap() {
  }

  @NotNull
  public static <T> Map<Class<? extends T>,T> create() {
    return ConcurrentFactoryMap.createMap(ConcurrentInstanceMap::calculate);
  }

  @NotNull
  public static <T> T calculate(@NotNull Class<? extends T> key) {
    try {
      return key.newInstance();
    }
    catch (InstantiationException | IllegalAccessException e) {
      throw new RuntimeException("Couldn't instantiate " + key, e);
    }
  }
}